What Lotus formats are supported?

WK1 (Lotus 1-2-3 v2) and WK3 (Lotus 1-2-3 v3) are supported. WK4 may work with reduced fidelity.

Lotus 1-2-3 to Excel Converter

Convert legacy Lotus 1-2-3 .wk1 and .wk3 spreadsheets to modern Excel XLSX.

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Upload your .wk1 or .wk3 Lotus 1-2-3 file.

Data and formulas are extracted and converted.

Download the modern Excel file.

Legacy Format Recovery

Data & Formula Extraction

Modern XLSX Output

Free & Secure

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